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             AUSCERT External Security Bulletin Redistribution

                        ESB-2006.0629 -- [OpenBSD]
       vulnerability handling LCP packets via an sppp(4) connection
                             4 September 2006

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              sppp
Publisher:            OpenBSD
Operating System:     OpenBSD
Impact:               Denial of Service
Access:               Remote/Unauthenticated
CVE Names:            CVE-2006-4304

Ref:                  ESB-2006.0604

Original Bulletin:    http://www.openbsd.org/errata.html#sppp

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Due to the failure to correctly validate LCP configuration option
lengths, it is possible for an attacker to send LCP packets via an
sppp(4) connection causing the kernel to panic.

Patches for the respective releases:
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/009_sppp.patch
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/014_sppp.patch

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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